Upsert Row by Key - DE ID
PUT https://{{et_subdomain}}.rest.marketingcloudapis.com/hub/v1/dataevents/{DE_ID}/rows/Email:example@example.com
Upserts a data extension row by primary key using Data Extension ID.
Request Body
{"values"=>{"LastLogin"=>"2013-05-23T14:32:00Z", "IsActive"=>true, "FirstName"=>"John", "FollowerCount"=>2, "LastName"=>"Smith"}}